The method of damage identification with modal index and the artificial neural networks is introduced in this paper.

介绍了使用模态指标及神经网络进行结构损伤识别的方法。

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This paper introduces the fracture identification method utilizing engineering parameter of comprehensive mud logging, Among them, the DCS index reflects the drillability and unconsolidated property.

本文介绍了利用综合录井中的工程参数识别裂缝的方法，其中优选出反映地层可钻性的DCS指数，根据DCS指数对地层可钻性及疏松程度的反映来识别储集层裂缝。

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But, a set of accurate, stable, simple and systematic method and index system for drought-resistance identification and selection is still underdevelopment.

然而，到目前为止还没有形成一套准确、可靠、简单、统一的鉴定方法和指标体系。

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